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Archived:CTelephony::DialNewCall() API gives connection error in dual mode (Known Issue)

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[[Category:S60]]
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{{Archived|timestamp=20120216102337|user=roy.debjit|Fixed in new later firmware version.}}
[[Category:Known Issue]]
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[[Category:Known Issue]][[Category:Symbian C++]][[Category:Telephony]][[Category:S60 3rd Edition (initial release)]][[Category:S60 3rd Edition FP1]]
__NOEDITSECTION__ __NOTOC__
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|installfile= <!-- Link to installation file (e.g. [[Media:The Installation File.sis]]) -->
|-
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|devices= S60 3rd Edition 3G devices
|'''ID''' ||Unofficial - No ID assigned
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|sdk= <!-- SDK(s) built and tested against (e.g. [http://linktosdkdownload/ Nokia Qt SDK 1.1]) -->
|'''Creation Date''' ||&nbsp;11th Feb 2008
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|platform= S60 3rd Edition<br> 3rd Edition, FP1
|-
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|'''Platform''' ||&nbsp;
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|dependencies= <!-- Any other/external dependencies e.g.: Google Maps Api v1.0 -->
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|capabilities= <!-- Capabilities required by the article/code example (e.g. Location, NetworkServices. -->
|'''Category''' ||&nbsp; S60 3rd Edition
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|keywords= <!-- APIs, classes and methods (e.g. QSystemScreenSaver, QList, CBase -->
|'''Sub-Category''' ||&nbsp; CTelephony-> DialNewCall
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}}
  
I have an application developed in S60 3rd Edition (Symbian OS 9.1).
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==Description==
This application uses CTelephony's DialNewCall API to hang up user dialed
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{{Abstract|After programmatically hanging up an outgoing call created by the user or by another application, (using, for example, {{Icode|CPhCltCommandHandler::Chup()}} or the ''Phone Client API''), an attempt to create a new call with [http://library.developer.nokia.com/topic/GUID-E35887BB-7E58-438C-AA27-97B2CDE7E069/GUID-251A35C1-CC66-4DE4-9EBE-964026E89E7F/GUID-97D402C8-B4B7-385A-92B3-D3FCC0CA575A.html#GUID-7BF1402C-F992-302B-A204-8EB7E37DE8D8 CTelephony:DialNewCall()] may fail.}}
Number and then Dial a New Number using DialNewCall.
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The application is working fine in GSM mode but when it is in Dual Mode
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giving connection error and call is terminated.
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Please provide me any reason or solution for this.
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When the device is in a 3G network and a new call is established immediately after the previous call has been terminated, call creation may fail with the telephony application displaying a ''Disconnected'' note. Note that this behavior has only been observed in 3G networks when using a device in 2/3G dual mode.
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==Solution==
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No known solutions for 3G (dual) network mode, however adding a delay between hangup and call creation increases the success rate. It has been also observed that new firmware versions do not have this problem anymore; for example, the issue cannot be reproduced with Nokia N95 sw v20.0.015.
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{{Note|This known issue was originally created by '''Krugliy''' and has been verified by Nokia Developer.}}

Latest revision as of 09:41, 15 June 2012

Archived.pngArchived: This article is archived because it is not considered relevant for third-party developers creating commercial solutions today. If you think this article is still relevant, let us know by adding the template {{ReviewForRemovalFromArchive|user=~~~~|write your reason here}}.

Fixed in new later firmware version.

Article Metadata
Tested with
Devices(s): S60 3rd Edition 3G devices
Compatibility
Platform(s): S60 3rd Edition
3rd Edition, FP1
S60 3rd Edition FP1
S60 3rd Edition (initial release)
Article
Created: copyeditor (14 Feb 2008)
Last edited: hamishwillee (15 Jun 2012)

[edit] Description

After programmatically hanging up an outgoing call created by the user or by another application, (using, for example, CPhCltCommandHandler::Chup() or the Phone Client API), an attempt to create a new call with CTelephony:DialNewCall() may fail.

When the device is in a 3G network and a new call is established immediately after the previous call has been terminated, call creation may fail with the telephony application displaying a Disconnected note. Note that this behavior has only been observed in 3G networks when using a device in 2/3G dual mode.

[edit] Solution

No known solutions for 3G (dual) network mode, however adding a delay between hangup and call creation increases the success rate. It has been also observed that new firmware versions do not have this problem anymore; for example, the issue cannot be reproduced with Nokia N95 sw v20.0.015.

Note.pngNote: This known issue was originally created by Krugliy and has been verified by Nokia Developer.

This page was last modified on 15 June 2012, at 09:41.
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